#! /bin/bash

#hello
function s1_hello(){
  echo "hello, world!"
}

function s2_tell_who_i_am(){
    whoami
}

function s3_which_distro_do_i_use(){
   cat /etc/os-release | grep NAME |head -n 1
}

function s4_view_my_cpu_arch(){
    uname -m
}
function s5_show_first_scsi_disk_size(){
   lsblk -l | \gerp disk | \grep '^sda' |awk ' {print $4}'
}

function s6_show_main_memory_size_in_megabytes(){
  free -m | grep  "Mem:" | awk '{print $2}'
}
